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[X86] directstore and movdir64b intrinsics 

Reviewers: spatel, craig.topper, RKSimon

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D45984

llvm-svn: 331249
This commit is contained in:
Gabor Buella 2018-05-01 10:05:42 +00:00
parent c8ded04e85
commit a51e0c2243
14 changed files with 141 additions and 0 deletions
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4
clang/docs/ClangCommandLineReference.rst
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@ -2496,6 +2496,10 @@ X86
.. option:: -mmovbe, -mno-movbe
.. option:: -mmovdiri, -mno-movdiri
.. option:: -mmovdir64b, -mno-movdir64b
.. option:: -mmpx, -mno-mpx
.. option:: -mmwaitx, -mno-mwaitx

4
clang/include/clang/Basic/BuiltinsX86.def
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@ -1883,6 +1883,10 @@ TARGET_BUILTIN(__builtin_ia32_clzero, "vv*", "", "clzero")
// CLDEMOTE
TARGET_BUILTIN(__builtin_ia32_cldemote, "vvC*", "", "cldemote")
// Direct Move
TARGET_BUILTIN(__builtin_ia32_directstore_u32, "vUi*Ui", "", "movdiri")
TARGET_BUILTIN(__builtin_ia32_movdir64b, "vv*vC*", "", "movdir64b")
// MSVC
TARGET_HEADER_BUILTIN(_BitScanForward, "UcUNi*UNi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_BitScanReverse, "UcUNi*UNi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")

1
clang/include/clang/Basic/BuiltinsX86_64.def
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@ -94,6 +94,7 @@ TARGET_BUILTIN(__builtin_ia32_cvtsi2sd64, "V2dV2dLLiIi","","avx512f")
TARGET_BUILTIN(__builtin_ia32_cvtsi2ss64, "V4fV4fLLiIi","","avx512f")
TARGET_BUILTIN(__builtin_ia32_cvtusi2sd64, "V2dV2dULLiIi","","avx512f")
TARGET_BUILTIN(__builtin_ia32_cvtusi2ss64, "V4fV4fULLiIi","","avx512f")
TARGET_BUILTIN(__builtin_ia32_directstore_u64, "vULi*ULi", "", "movdiri")
#undef BUILTIN
#undef TARGET_BUILTIN

4
clang/include/clang/Driver/Options.td
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@ -2660,6 +2660,10 @@ def mlzcnt : Flag<["-"], "mlzcnt">, Group<m_x86_Features_Group>;
def mno_lzcnt : Flag<["-"], "mno-lzcnt">, Group<m_x86_Features_Group>;
def mmovbe : Flag<["-"], "mmovbe">, Group<m_x86_Features_Group>;
def mno_movbe : Flag<["-"], "mno-movbe">, Group<m_x86_Features_Group>;
def mmovdiri : Flag<["-"], "mmovdiri">, Group<m_x86_Features_Group>;
def mno_movdiri : Flag<["-"], "mno-movdiri">, Group<m_x86_Features_Group>;
def mmovdir64b : Flag<["-"], "mmovdir64b">, Group<m_x86_Features_Group>;
def mno_movdir64b : Flag<["-"], "mno-movdir64b">, Group<m_x86_Features_Group>;
def mmpx : Flag<["-"], "mmpx">, Group<m_x86_Features_Group>;
def mno_mpx : Flag<["-"], "mno-mpx">, Group<m_x86_Features_Group>;
def mmwaitx : Flag<["-"], "mmwaitx">, Group<m_x86_Features_Group>;

14
clang/lib/Basic/Targets/X86.cpp
View File

@ -246,6 +246,8 @@ bool X86TargetInfo::initFeatureMap(
case CK_Tremont:
setFeatureEnabledImpl(Features, "cldemote", true);
setFeatureEnabledImpl(Features, "movdiri", true);
setFeatureEnabledImpl(Features, "movdir64b", true);
setFeatureEnabledImpl(Features, "gfni", true);
setFeatureEnabledImpl(Features, "waitpkg", true);
LLVM_FALLTHROUGH;
@ -821,6 +823,10 @@ bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasLAHFSAHF = true;
} else if (Feature == "+waitpkg") {
HasWAITPKG = true;
} else if (Feature == "+movdiri") {
HasMOVDIRI = true;
} else if (Feature == "+movdir64b") {
HasMOVDIR64B = true;
}
X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature)
@ -1177,6 +1183,10 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__CLDEMOTE__");
if (HasWAITPKG)
Builder.defineMacro("__WAITPKG__");
if (HasMOVDIRI)
Builder.defineMacro("__MOVDIRI__");
if (HasMOVDIR64B)
Builder.defineMacro("__MOVDIR64B__");
// Each case falls through to the previous one here.
switch (SSELevel) {
@ -1301,6 +1311,8 @@ bool X86TargetInfo::isValidFeatureName(StringRef Name) const {
.Case("lzcnt", true)
.Case("mmx", true)
.Case("movbe", true)
.Case("movdiri", true)
.Case("movdir64b", true)
.Case("mpx", true)
.Case("mwaitx", true)
.Case("pclmul", true)
@ -1377,6 +1389,8 @@ bool X86TargetInfo::hasFeature(StringRef Feature) const {
.Case("mm3dnowa", MMX3DNowLevel >= AMD3DNowAthlon)
.Case("mmx", MMX3DNowLevel >= MMX)
.Case("movbe", HasMOVBE)
.Case("movdiri", HasMOVDIRI)
.Case("movdir64b", HasMOVDIR64B)
.Case("mpx", HasMPX)
.Case("mwaitx", HasMWAITX)
.Case("pclmul", HasPCLMUL)

2
clang/lib/Basic/Targets/X86.h
View File

@ -103,6 +103,8 @@ class LLVM_LIBRARY_VISIBILITY X86TargetInfo : public TargetInfo {
bool HasLAHFSAHF = false;
bool HasWBNOINVD = false;
bool HasWAITPKG = false;
bool HasMOVDIRI = false;
bool HasMOVDIR64B = false;
protected:
/// \brief Enumeration of all of the X86 CPUs supported by Clang.

1
clang/lib/Headers/CMakeLists.txt
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@ -66,6 +66,7 @@ set(files
mmintrin.h
mm_malloc.h
module.modulemap
movdirintrin.h
msa.h
mwaitxintrin.h
nmmintrin.h

2
clang/lib/Headers/cpuid.h
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@ -188,6 +188,8 @@
#define bit_AVX512VPOPCNTDQ 0x00004000
#define bit_RDPID 0x00400000
#define bit_CLDEMOTE 0x02000000
#define bit_MOVDIRI 0x08000000
#define bit_MOVDIR64B 0x10000000
/* Features in %edx for leaf 7 sub-leaf 0 */
#define bit_AVX5124VNNIW 0x00000004

1
clang/lib/Headers/module.modulemap
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@ -66,6 +66,7 @@ module _Builtin_intrinsics [system] [extern_c] {
textual header "wbnoinvdintrin.h"
textual header "cldemoteintrin.h"
textual header "waitpkgintrin.h"
textual header "movdirintrin.h"
explicit module mm_malloc {
requires !freestanding

58
clang/lib/Headers/movdirintrin.h Normal file
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@ -0,0 +1,58 @@
/*===------------------------- movdirintrin.h ------------------------------===
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*===-----------------------------------------------------------------------===
*/
#ifndef __X86INTRIN_H
#error "Never use <movdirintrin.h> directly; include <x86intrin.h> instead."
#endif
#ifndef _MOVDIRINTRIN_H
#define _MOVDIRINTRIN_H
// Move doubleword as direct store
static __inline__ void
__attribute__((__always_inline__, __nodebug__, __target__("movdiri")))
_directstoreu_u32 (void *__dst, unsigned int __value)
{
__builtin_ia32_directstore_u32((unsigned int *)__dst, (unsigned int)__value);
}
#ifdef __x86_64__
// Move quadword as direct store
static __inline__ void
__attribute__((__always_inline__, __nodebug__, __target__("movdiri")))
_directstoreu_u64 (void *__dst, unsigned long __value)
{
__builtin_ia32_directstore_u64((unsigned long *)__dst, __value);
}
#endif /* __x86_64__ */
// Move 64 bytes as direct store
static __inline__ void
__attribute__((__always_inline__, __nodebug__, __target__("movdir64b")))
_movdir64b (void *__dst, const void *__src)
{
__builtin_ia32_movdir64b(__dst, __src);
}
#endif /* _MOVDIRINTRIN_H */

5
clang/lib/Headers/x86intrin.h
View File

@ -100,4 +100,9 @@
#include <waitpkgintrin.h>
#endif
#if !defined(_MSC_VER) || __has_feature(modules) || \
defined(__MOVDIRI__) || defined(__MOVDIR64B__)
#include <movdirintrin.h>
#endif
#endif /* __X86INTRIN_H */

31
clang/test/CodeGen/builtin-movdir.c Normal file
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@ -0,0 +1,31 @@
// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -triple x86_64-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_64 --check-prefix=CHECK
// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -triple i386-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefix=CHECK
#include <x86intrin.h>
#include <stdint.h>
void test_directstore32(void *dst, uint32_t value) {
// CHECK-LABEL: test_directstore32
// CHECK: call void @llvm.x86.directstore32
_directstoreu_u32(dst, value);
}
#ifdef __x86_64__
void test_directstore64(void *dst, uint64_t value) {
// X86_64-LABEL: test_directstore64
// X86_64: call void @llvm.x86.directstore64
_directstoreu_u64(dst, value);
}
#endif
void test_dir64b(void *dst, const void *src) {
// CHECK-LABEL: test_dir64b
// CHECK: call void @llvm.x86.movdir64b
_movdir64b(dst, src);
}
// CHECK: declare void @llvm.x86.directstore32(i8*, i32)
// X86_64: declare void @llvm.x86.directstore64(i8*, i64)
// CHECK: declare void @llvm.x86.movdir64b(i8*, i8*)

10
clang/test/Driver/x86-target-features.c
View File

@ -149,3 +149,13 @@
// RUN: %clang -target i386-linux-gnu -mno-waitpkg %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-WAITPKG %s
// WAITPKG: "-target-feature" "+waitpkg"
// NO-WAITPKG: "-target-feature" "-waitpkg"
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mmovdiri %s -### -o %t.o 2>&1 | FileCheck -check-prefix=MOVDIRI %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-movdiri %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-MOVDIRI %s
// MOVDIRI: "-target-feature" "+movdiri"
// NO-MOVDIRI: "-target-feature" "-movdiri"
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mmovdir64b %s -### -o %t.o 2>&1 | FileCheck -check-prefix=MOVDIR64B %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-movdir64b %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-MOVDIR64B %s
// MOVDIR64B: "-target-feature" "+movdir64b"
// NO-MOVDIR64B: "-target-feature" "-movdir64b"

4
clang/test/Preprocessor/predefined-arch-macros.c
View File

@ -1466,6 +1466,8 @@
// CHECK_TRM_M32: #define __FXSR__ 1
// CHECK_TRM_M32: #define __GFNI__ 1
// CHECK_TRM_M32: #define __MMX__ 1
// CHECK_TRM_M32: #define __MOVDIR64B__ 1
// CHECK_TRM_M32: #define __MOVDIRI__ 1
// CHECK_TRM_M32: #define __MPX__ 1
// CHECK_TRM_M32: #define __PCLMUL__ 1
// CHECK_TRM_M32: #define __POPCNT__ 1
@ -1504,6 +1506,8 @@
// CHECK_TRM_M64: #define __FXSR__ 1
// CHECK_TRM_M64: #define __GFNI__ 1
// CHECK_TRM_M64: #define __MMX__ 1
// CHECK_TRM_M64: #define __MOVDIR64B__ 1
// CHECK_TRM_M64: #define __MOVDIRI__ 1
// CHECK_TRM_M64: #define __MPX__ 1
// CHECK_TRM_M64: #define __PCLMUL__ 1
// CHECK_TRM_M64: #define __POPCNT__ 1